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Re: P2127 code on 2007 Saturn Ion 2.2
Posted to Technical Discussion Forum on 8/19/2020 6 Replies

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Hi Louis,

Start over. The 2 APPs are separate 3 wire sensors. Does APP1 read correctly? 0% to 100%, yes or no? If not, there's a problem. Then APP2, 0 to 100%, although it should start near 4 volts... Login to read more.

6 Replies Received (View Replies)